package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @author 马迎迎
 * @Title: ListValueConstraintValidator
 * @Package com.atguigu.common.valid
 * @Description: TODO(添加描述)
 * @date 2021年05月16日 21:08
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {
    private Set<Integer> set=new HashSet<>();
    //初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        for(int val:vals){
            set.add(val);
        }
    }
    //判断是否校验成功
    //integer为需要校验的值
    @Override
    public boolean isValid(Integer integer, ConstraintValidatorContext constraintValidatorContext) {
        return set.contains(integer);
    }
}
